Just read it again and see the bias in the report. All the confirmations are coming from undisclosed identities. The only person who was quoted with name denied the involvement.
Then the author has shifted to implicate ISI, which seem to be the main reason for this piece of yellow journalism.
Bohong!
Do you really think anyone in pakistan will offer their name when revealing such information? It will take time for officials to be brave enough to confirm this publicly.